Multiple requests on backend service without retry middleware

Traefik Traefik v2 (latest)
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1

I currently observe a strange behavior with current traefik 2.9.4. There is one request on traefik endpoint but I see multiple requests on backend services. The backend service requests were successfully finished with 302.

I use http3, but not the retry middleware.

Proxy:

1.1.1.1 - - [09/Nov/2022:14:07:26 +0000] "GET /path HTTP/3.0" 200 4 "-" "-" 154695 "backend@file" "http://172.16.13.134:8084" 804629ms

Backend:

172.16.13.132 - - [09/Nov/2022:15:09:57 +0100] "GET /path HTTP/1.1" 302 -
172.16.13.132 - - [09/Nov/2022:15:12:14 +0100] "GET /path HTTP/1.1" 302 -
172.16.13.132 - - [09/Nov/2022:15:18:53 +0100] "GET /path HTTP/1.1" 302 -
172.16.13.132 - - [09/Nov/2022:15:20:17 +0100] "GET /path HTTP/1.1" 302 -
172.16.13.132 - - [09/Nov/2022:15:21:48 +0100] "GET /path HTTP/1.1" 302 -

Anyone have any idea how this can happen?

2

Can you share your configuration?

3

I'll try to extract the relevant parts of the config, but I'm not able to reproduce this behavior. It's just happening sometimes. I've seen requests hanging in this loop for ~4 hours.